#18 implant should be placed mesial for more bone engagement and being away from #17 and buccal to avoid the submandibular fossa. Prepare PRFx2 for sticky bone (large defect and possible #17 socket). Use a thumb driver to place the tissue-level implant initially through the metal sleeve for orientation.
Xin Wei, DDS, PhD, MS 1st edition 01/10/2020, last revision 01/24/2020